US10801622B2 - Interlocking face seal assemblies and related methods - Google Patents

Interlocking face seal assemblies and related methods Download PDF

Info

Publication number
US10801622B2
US10801622B2 US14/251,439 US201414251439A US10801622B2 US 10801622 B2 US10801622 B2 US 10801622B2 US 201414251439 A US201414251439 A US 201414251439A US 10801622 B2 US10801622 B2 US 10801622B2
Authority
US
United States
Prior art keywords
sealing element
face seal
seal assembly
ring
backup
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active, expires
Application number
US14/251,439
Other languages
English (en)
Other versions
US20140312570A1 (en
Inventor
Mike Foster
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bal Seal Engineering LLC
Original Assignee
Bal Seal Engineering LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bal Seal Engineering LLC filed Critical Bal Seal Engineering LLC
Priority to US14/251,439 priority Critical patent/US10801622B2/en
Priority to EP14164927.7A priority patent/EP2796753B1/en
Priority to JP2014086697A priority patent/JP6338431B2/ja
Assigned to BAL SEAL ENGINEERING, INC. reassignment BAL SEAL ENGINEERING, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FOSTER, MIKE
Publication of US20140312570A1 publication Critical patent/US20140312570A1/en
Assigned to BAL SEAL ENGINEERING, LLC reassignment BAL SEAL ENGINEERING, LLC CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: BAL SEAL ENGINEERING, INC.
Assigned to JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT reassignment JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT AMENDED AND RESTATED PATENT COLLATERAL SECURITY AND PLEDGE AGREEMENT Assignors: BAL SEAL ENGINEERING, LLC, KAMATICS CORPORATION
Publication of US10801622B2 publication Critical patent/US10801622B2/en
Application granted granted Critical
Assigned to MORGAN STANLEY SENIOR FUNDING, INC., AS COLLATERAL AGENT reassignment MORGAN STANLEY SENIOR FUNDING, INC., AS COLLATERAL AGENT IP SECURITY AGREEMENT Assignors: AIRCRAFT WHEEL AND BRAKE, LLC, BAL SEAL ENGINEERING, LLC, KAMAN AEROSPACE CORPORATION, KAMAN CORPORATION, KAMATICS CORPORATION
Assigned to KAMATICS CORPORATION, BAL SEAL ENGINEERING, LLC, AIRCRAFT WHEEL AND BRAKE, LLC reassignment KAMATICS CORPORATION RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT
Active legal-status Critical Current
Adjusted expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/021—Sealings between relatively-stationary surfaces with elastic packing
    • F16J15/022—Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material
    • F16J15/024—Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material the packing being locally weakened in order to increase elasticity
    • F16J15/027—Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material the packing being locally weakened in order to increase elasticity and with a hollow profile
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
    • F16J15/104—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/166—Sealings between relatively-moving surfaces with means to prevent the extrusion of the packing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L17/00—Joints with packing adapted to sealing by fluid pressure
    • F16L17/02—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket
    • F16L17/03—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket having annular axial lips
    • F16L17/035—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket having annular axial lips the sealing rings having two lips parallel to each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L17/00—Joints with packing adapted to sealing by fluid pressure
    • F16L17/06—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between the end surfaces of the pipes or flanges or arranged in recesses in the pipe ends or flanges
    • F16L17/067—Plastics sealing rings
    • F16L17/073—Plastics sealing rings the sealing rings having two lips parallel to each other

Definitions

  • the present disclosure pertains to face seals and related methods and more particularly to spring energized face seals with backing rings.
  • Spring energized lip seals may comprise a sealing element and a rigid backup ring or support ring to provide support for the sealing element or resistance against extrusion of the sealing element.
  • the sealing element for the lip seal is typically placed adjacent the backup and the two do not engage since the orientation of the seal lip is to seal against a dynamic surface.
  • the sealing element and the backup ring or support ring is not mechanically attached and separation between the components may occur during use or assembly.
  • the present systems, devices, and methods offer a means to assemble the sealing element and the backup ring or support ring of a spring energized face seal assembly together in order to achieve a one-piece face seal assembly or interlocking face seal assembly.
  • aspects of the present disclosure include a method for assembling an interlocking face seal assembly.
  • the method comprises: forming a sealing element with a convex outer surface and having a spring located in a spring cavity defined by two sealing flanges and a center channel section; forming a backup ring with an inner surface defining a bore, said inner surface comprising a concave inner surface; assembling the sealing element into the bore of the backup ring such that the concave inner surface accepts at least a portion of the convex outer surface of the sealing element and the sealing element is retained within the backup ring; and wherein the spring is biased against an inside surface of each of the two sealing flanges.
  • the convex outer surface of the sealing element can comprise two tapered surfaces with an apex therebetween.
  • the method wherein the convex outer surface of the sealing element can comprise two tapered surfaces and a flat surface therebetween.
  • the method wherein the backup ring can comprise a first backing ring part attached to a second backing ring part.
  • first backing ring part can be threaded to the second backing ring part.
  • the spring can be a canted coil spring, a V-spring, or a ribbon spring.
  • the method wherein the two sealing flanges can define a width that is larger a width of the backing ring so that the when the interlocking face seal assembly is installed in an equipment housing, the two sealing flanges are compressed by two stationary surfaces before the backing ring is compressed by the two stationary surfaces.
  • a further feature of the present disclosure is an interlocking face seal assembly comprising: a sealing element with a convex outer surface or a concave outer surface and having a spring located in a spring cavity defined by two sealing flanges and a center channel section.
  • the seal assembly can further include a backup ring with an inner surface defining a bore, said inner surface comprising a convex inner surface or a concave inner surface; and whereby the concave inner surface of the backup ring accepts at least a portion of the convex outer surface of the sealing element or the convex inner surface of the backup ring accepts at least a portion of the concave outer surface of the sealing element and the sealing element is retained within the backup ring.
  • the interlocking face seal assembly whereby radial deflection of the sealing element or backup ring can occur for assembly.
  • the interlocking face seal assembly whereby the concave surface can comprise a radiused, tapered, or chamfered edge.
  • the interlocking face seal assembly wherein the spring can be a canted coil spring, a V-spring, or a ribbon spring.
  • the interlocking face seal assembly wherein the backup ring can comprise a first backing ring part attached to a second backing ring part.
  • a yet further feature of the present disclosure is a method for assembling an interlocking face seal assembly comprising: forming a spring energized sealing element with a convex outer surface; forming a backup or support ring with a concave inner surface; assembling the sealing element into the inner bore of the backup or support ring such that the concave inner surface accepts a portion of the convex outer surface and the sealing element is retained within the backup or support ring.
  • Yet another feature of the present disclosure is a method for assembling an interlocking face seal assembly comprising: forming a spring energized sealing element with a concave outer surface; forming a backup or support ring with a convex inner surface; assembling the sealing element into the inner bore of the backup or support ring such that the concave outer surface accepts a portion of the convex inner surface and the sealing element is retained within the backup or support ring.
  • a still yet further feature of the present disclosure is a method for assembling an interlocking face seal assembly comprising: forming a spring energized sealing element with a convex inner surface; forming a backup or support ring with a concave outer surface; assembling the backup or support ring into the inner bore of the sealing element such that the concave outer surface accepts a portion of the convex inner surface and the backup or support ring is retained within the sealing element.
  • a still yet further feature of the present disclosure is a method for assembling an interlocking face seal assembly comprising: forming a spring energized sealing element with a concave inner surface; forming a backup or support ring with a convex outer surface; assembling the backup or support ring into the inner bore of the sealing element such that the concave inner surface accepts a portion of the convex outer surface and the backup or support ring is retained within the sealing element.
  • sealing element and backup ring can be formed such that the outermost diameter of the sealing element is larger than the innermost diameter of backup or support ring.
  • sealing element and backup ring can be formed such that the outermost diameter of the backup or support ring is larger than the innermost diameter of sealing element.
  • the method whereby the concave surface can include a radiused, tapered, or chamfered edge.
  • An interlocking face seal assembly comprising: a spring energized sealing element with a convex outer surface; a backup or support ring with a concave inner surface; whereby the concave inner surface accepts a portion of the convex outer surface and the sealing element is retained within the backup or support ring.
  • Another interlocking face seal assembly comprising: a spring energized sealing element with a concave outer surface; a backup or support ring with a convex inner surface; whereby the concave outer surface accepts a portion of the convex inner surface and the sealing element is retained within the backup or support ring.
  • Another feature of the present disclosure is an interlocking face seal assembly comprising: a spring energized sealing element with a convex inner surface; a backup or support ring with a concave outer surface; whereby the concave outer surface accepts a portion of the convex inner surface and the backup or support ring is retained within the sealing element.
  • a still further assembly of the present disclosure includes an interlocking face seal assembly comprising: a spring energized sealing element with a concave inner surface; a backup or support ring with a convex outer surface; whereby the concave inner surface accepts a portion of the convex outer surface and the backup or support ring is retained within the sealing element.
  • the interlocking face seal assembly whereby the outermost diameter of the sealing element can be larger than the innermost diameter of backup or support ring.
  • the interlocking face seal assembly whereby the outermost diameter of the backup or support ring can be larger than the innermost diameter of sealing element.
  • FIG. 1 is a schematic partial cross-sectional side view of a supported face seal assembly mounted in a groove of an equipment housing in accordance with a first embodiment.
  • FIG. 2 is a schematic partial cross-sectional side view of a supported face seal assembly mounted in a groove of an equipment housing in accordance with a second embodiment.
  • FIG. 3 is a schematic partial cross-sectional side view of a supported face seal assembly mounted in a groove of an equipment housing in accordance with a third embodiment.
  • FIG. 4 is a schematic partial cross-sectional side view of a supported face seal assembly mounted in a groove of an equipment housing in accordance with a fourth embodiment.
  • FIG. 5 is a schematic partial cross-sectional side view of a supported face seal assembly mounted in a groove of an equipment housing in accordance with a fifth embodiment.
  • FIG. 6 is a schematic partial cross-sectional side view of a supported face seal assembly mounted in a groove of an equipment housing in accordance with a sixth embodiment.
  • FIG. 7 is a schematic partial cross-sectional side view of a supported face seal assembly mounted in a groove of an equipment housing in accordance with a seventh embodiment.
  • FIG. 8 is a schematic partial cross-sectional side view of a supported face seal assembly mounted in a groove of an equipment housing in accordance with an eight embodiment.
  • FIG. 9 is a schematic partial cross-sectional side view of a supported face seal assembly mounted in a groove of an equipment housing in accordance with a ninth embodiment.
  • FIG. 10 is a schematic partial cross-sectional side view of a supported face seal assembly mounted in a groove of an equipment housing in accordance with a tenth embodiment.
  • FIG. 1 a schematic partial cross-sectional side view of a spring energized face seal or face seal assembly 100 is shown located between two stationary components 102 , 104 for sealing a seam 106 between the two components from fluid or gas that may leak through the seam.
  • the two stationary components 102 , 104 may be part of an equipment housing, a gland, or embody two flanges of a piping system.
  • the housing that the spring energized face seal 100 is positioned in may generally be referred to herein as an equipment housing 90 and may represent any structure where a seam between two planar surfaces is to be sealed.
  • the face seal assembly 100 is annular in configuration with only a part of a cross-section of the seal assembly shown.
  • the centerline ⁇ designates the seal assembly 100 centerline and the seal assembly 100 is understood to have a mirror image on the other side of the centerline.
  • the seal assembly centerline ⁇ can also and often be the centerline of the equipment housing 90 that the seal assembly 100 is used in for sealing a seam.
  • the seal assembly 100 has a sealing element 108 comprising a center channel section 110 , a first flange 112 comprising a first seal lip 114 , and a second flange 116 comprising a second seal lip 118 for sealing against a first stationary surface 120 and a second stationary surface 122 , respectively.
  • the sealing element 108 may be made from materials such as polytetrafluoroethylene (PTFE), a thermoplastic elastomer (TPE) or an elastomer.
  • Both stationary surfaces 120 , 122 have generally planar surfaces that are not formed as part of an arc.
  • planar surfaces that the face seal assemblies of the present disclosure are configured to seal are distinguished from surfaces formed on a round body, such as a pin, a rod, or a shaft.
  • first and second are meant to distinguish two different components only and not meant to be structurally limiting.
  • shape and curvatures of the first and second sealing lips 116 , 118 may be exactly the same notwithstanding their designations with the terms “first” and “second”.
  • first and second are not structurally limiting.
  • the center channel section 110 and the two flanges 112 , 116 define a spring holding space 124 having a canted coil spring 126 located therein, which is also understood to be an annular or garter-type configuration having a spring centerline.
  • the canted coil spring is a radial canted coil spring.
  • the canted coil spring 126 has a plurality of coils 130 canted generally along the same direction and each comprises a major axis and a minor axis, which is the shorter of two axes.
  • the canted coil spring 126 is arranged so that the plurality of coils 130 bias against the inside surfaces of the first flange 112 and the second flange 116 to press the first sealing lip 114 and the second sealing lip 118 against the first stationary surface 120 and the second stationary surface 122 , respectively, to seal the seam 106 between the two first stationary component and the second stationary component.
  • the spring is a V-spring or a ribbon spring instead of a canted coil spring. V-spring and ribbons can also touch and bias against the first and second sealing flanges 112 , 116 .
  • a backup ring or backing ring 132 is provided for supporting the sealing element 108 from the high pressure source 134 , which in the present embodiment is in the vicinity of the centerline ⁇ .
  • a sealing element 108 comprises a first sealing flange 112 and a second sealing flange 116 for sealing against two generally parallel planar surfaces 120 , 122 and wherein the two flanges have sealing lips 114 , 118 that point in the direction of the high pressure source 134 .
  • the backup ring 132 is provided to support the sealing element 108 from being extruded in the direction from the high pressure region 134 to the low pressure region 136 .
  • the backup ring 132 is made from a harder material than the material for the sealing element, such as from a metal or a rigid plastic.
  • the plastic is an engineered plastic such as acrylonitrile butadiene styrene (ABS), polyetheretherketone (PEEK), or polycarbonate (PC), to name a few non-limiting examples.
  • Metal materials usable as a backup ring can include steel, stainless steel, iron, chrome-base and nickel-base metals, to name a few non-limiting examples.
  • the backup ring 132 is shown with a ring body 138 having a solid core.
  • the body 138 has a first side surface 140 , a second side surface 142 , a support surface 146 , and an remote surface 148 away from the sealing element.
  • the support surface 146 defines a bore on the backup ring 132 for receiving the sealing element 108 .
  • the arrangement in which one component fits into a bore of another may herein be referred to as a telescoping arrangement.
  • the support surface 146 is configured to directly contact and support the exterior surface 150 of the center channel section 110 of the sealing element 108 .
  • the sealing element 108 and the spring 126 may be compressed and/or manipulated to fit within the bore of the backup ring 132 and then allowed to expand so that the exterior surface 150 of the sealing element 108 rests against be supported the support surface 146 of the backing ring 132 .
  • the remote surface 148 of the backing ring 132 is configured to mate or press against the equipment housing 90 .
  • the contour of the remote surface 148 may embody any corresponding surface that matches the contour of the back wall 151 of the groove 152 that receives the face seal 100 .
  • the support surface 146 of the backing ring 132 is shown comprising a generally concave contour.
  • the support surface 146 has a contour that matches the contour of the exterior surface 150 of the center channel section 110 .
  • the concave contour support surface 146 supports the matching convex surface 150 of the center channel section 110 of the sealing element.
  • the support surface 146 may have a slightly different contour than the exterior surface 150 to shape the direction or manner of compression of the sealing element against the backing ring 132 .
  • the sealing element 108 comprises a convex exterior surface 150 that is received by the concave support surface 146 of the backing ring.
  • the matching contours of the two surfaces 146 , 150 and the ring configuration with a bore achieve a mechanical engagement that retains the sealing element 108 within the backup ring 132 .
  • the mating surfaces 146 , 150 between the two components form a mechanical engagement that prevents the sealing element 108 from popping or falling out from the bore of the backup ring 132 .
  • This allows the supported face seal assembly 156 to be installed in the equipment housing 90 with minimal risk that the assembly 156 may separate during installation or service.
  • the seal assembly may alternatively be referred to as an interlocking face seal assembly.
  • concave is understood to mean an outline or surface that curves inward.
  • the curved surface can be smooth or formed from a combination of straight edges and/or curved segments so long as the overall outline has an inward contour.
  • convex is understood to mean an outline or surface that curves outward.
  • the curved surface can be smooth or formed from a combination of straight edges and/or curved segments so long as the overall outline has an outward contour.
  • the width or measurement between the first sealing lip 114 and the second sealing lip 118 is larger than the width or measurement between the first side surface 140 and the second side surface 142 of the backing ring 132 . Therefore, some radial deflection of the sealing element 108 and/or backup ring 132 must occur during installation of the supported face seal assembly 156 into the groove 152 of the equipment housing. Furthermore the concave feature 146 of the backup ring 132 may comprise a radiused corner on an inner edge in order to facilitate assembly and help guide the heel of the convex surface 150 sealing element into the inner bore of the backup ring, as further discussed below with reference to some of the alternative embodiments.
  • Installation of the supported face seal assembly 156 can first comprise prepping the equipment housing 90 . As shown, the first stationary structure 102 may be removed or separated from the second stationary structure 104 to expose the groove 152 . The supported face seal assembly 156 is then lowered into the open groove 152 and then the first stationary surface 102 re-installed and attached to the second stationary surface 104 .
  • the backing ring 132 is first installed into the open groove 152 without the sealing element 108 . After the backing ring 132 is installed in the open groove, the sealing element 108 is then manipulated and installed inside the bore of the backing ring 132 .
  • the canted coil spring 126 may be installed at the same time with the sealing element 108 or may be installed into the spring holding space 124 after the sealing element 108 is placed into the bore of the backing ring 132 .
  • the gap between the first stationary surface 124 and the second stationary surface 122 is slightly smaller than the width measured at the first and second sealing lips 114 , 118 to ensure adequate squeeze or compression on the two sealing flanges 112 , 116 .
  • the gap between the first stationary surface 124 and the second stationary surface 122 should be the same or slightly larger, such as two thousandths to about 20 thousandths of an inch, than the width of the backing ring 132 measured between the first side surface 140 and the second side surface 142 .
  • the clearance or compression between the backing ring and the two stationary components may be selected as appropriate depending on the particular application.
  • an aspect of the present device, system, and method is understood to include a supported face seal assembly comprising an annular sealing element comprising a centerline, two sealing flanges pointed in the direction of the centerline, and a center channel section mounted in a bore of a backing ring.
  • the backing ring comprises body comprising a support surface defining the bore for receiving the sealing element and wherein the support surface has a concave surface.
  • the supported face seal assembly wherein the center channel section of the sealing element comprises an exterior surface comprising a convex surface that closely contacts the concave support surface of the backing ring.
  • the supported face seal assembly is positioned in a groove of an equipment housing such that the sealing element is oriented towards the pressure source and the backing ring is oriented further away from the pressure source.
  • the backing ring and the sealing element are mechanically engaged and the backing ring supports the sealing element from high pressure extrusion through a seam in the equipment housing.
  • a further aspect of the present disclosure is a method for manufacturing a supported face seal assembly comprising forming a sealing element comprising a center channel section located between a first seal flange and a second seal flange.
  • the method can further comprise placing a canted coil spring in a spring holding space defined by the center channel section and the two sealing flanges.
  • the method can further comprise placing the sealing element with the canted coil spring into a bore of a backing ring and aligning a convex surface on the sealing element against a concave surface on the backing ring.
  • the method can further include manufacturing curvatures, features, and structures discussed and shown with reference to FIG. 1 .
  • the method can further comprise using the supported face seal assembly.
  • the method can comprise the steps of placing the supported face seal assembly into a groove of an equipment housing and aligning the supported face seal assembly so that the two sealing flanges point in the direction of the high pressure source.
  • the backing ring has a convex surface and the sealing element has a concave surface.
  • FIG. 2 shows a cross-sectional side view of a supported face seal assembly 156 provided in accordance with alternative aspects of the present disclosure.
  • the present supported face seal assembly comprises a sealing element 108 and a backing ring 132 .
  • the orientation and the arrangement of the two components of the present embodiment have been modified.
  • the supported face seal assembly 156 is an external supported face seal in that the backing ring 132 forms a ring having a support surface 146 and the sealing element 108 is placed around the outside diameter of the backing ring 132 .
  • the two flanges 112 , 116 on the sealing element point towards the pressure source 134 , which is away from the centerline ⁇ .
  • the sealing element 108 defines a bore having the backing ring 132 located therein.
  • the backing ring has a support surface 146 that is contoured to mate with an exterior contour surface 150 of the sealing element 108 .
  • the supported face seal assembly 156 may be used where the pressure source is higher on the side away from the centerline ⁇ .
  • the outside atmosphere 134 can have a higher pressure than the vacuum region near or at the centerline ⁇ .
  • the backup ring 132 comprises a concave support surface 146 and the sealing element 108 comprises a convex exterior surface 150 such that the concave surface may accept the convex surface to achieve a mechanical engagement that retains the sealing element 108 to the backup ring 132 .
  • the backing ring 132 has a convex support surface 146 and the sealing element has a concave exterior surface 150 that mesh or mate.
  • FIG. 3 is a cross-sectional side view of yet another supported face seal assembly 156 provided in accordance with further alternative aspects of the present disclosure.
  • the supported face seal assembly 156 comprises a face seal assembly 100 comprising a sealing element 108 having a canted coil spring 126 supported by a backing ring 132 , similar to the supported face seal assembly 156 of FIG. 1 .
  • the concave support surface 146 of the backing ring 132 and the convex exterior surface 150 of the sealing element 108 are more curved or contoured than comparable surfaces on the FIG. 1 assembly. This will allow for a greater mechanical engagement compared to the more planar or less curved surfaces incorporated in the assembly of FIG. 1 .
  • the support surface 146 and the exterior surface 150 are more planar and less curved to simplify placement of the sealing element into the bore of the backing ring. For example, when the mating surfaces 146 , 150 are more planar, less interference is provided by the mechanical engagement and therefore the two components are easier to install.
  • the supported face seal assembly 156 of FIG. 3 may be reversed and configured as a supported external face seal assembly, similar to the supported face seal assembly of FIG. 2 .
  • the support surface 146 and the exterior surface 150 of the alternative embodiment of FIG. 3 are contoured with similar but reversed orientation from that of FIG. 3 .
  • FIG. 4 is a cross-sectional side view of yet another supported face seal assembly 156 provided in accordance with further alternative aspects of the present disclosure.
  • the supported face seal assembly 156 comprises a face seal assembly 100 comprising a sealing element 108 having a canted coil spring 126 supported by a backing ring 132 , similar to the supported face seal assembly 156 of FIGS. 1 and 3 .
  • the concave support surface 146 of the backing ring 132 and the convex exterior surface 150 of the sealing element 108 are provided with radiused corners 170 on an inner edge of the backing ring in order to facilitate assembly and help guide the heels 172 of the convex surface 150 of the sealing element 108 into the inner bore of the backup ring 132 .
  • the center section 174 of the exterior surface 150 and the center section 176 of the support surface 146 are generally flat or straight relative to the centerline ⁇ .
  • the radiused corners 170 will ensure adequate mechanical engagement to retain the sealing element 108 within the bore of the backing ring 132 in spite of the generally flat center sections.
  • the supported face seal assembly 156 of FIG. 4 may be reversed and configured as a supported external face seal assembly, similar to the supported face seal assembly of FIG. 2 .
  • the support surface 146 and the exterior surface 150 of the alternative embodiment of FIG. 4 are contoured with similar but reversed orientation from that of FIG. 4 .
  • FIG. 5 is a cross-sectional side view of yet another supported face seal assembly 156 provided in accordance with further alternative aspects of the present disclosure.
  • the supported face seal assembly 156 comprises a face seal assembly 100 comprising a sealing element 108 having a canted coil spring 126 supported by a backing ring 132 , similar to the supported face seal assembly 156 of FIGS. 1 and 3-4 .
  • the concave support surface 146 of the backing ring 132 and the convex exterior surface 150 of the sealing element 108 have been modified.
  • the support surface 146 is provided with two tapered walls 180 having an apex 182 therebetween to mate or match the two tapered walls 184 and apex 186 of the exterior surface 150 on the sealing element 108 .
  • This will allow for a high degree of mechanical engagement while facilitating assembly.
  • Radiused corners 170 on an inner edge of the backing ring 132 may be provided along with tapered heels 172 of the convex surface 150 of the sealing element 108 .
  • the supported face seal assembly 156 of FIG. 5 may be reversed and configured as a supported external face seal assembly, similar to the supported face seal assembly of FIG. 2 .
  • the support surface 146 and the exterior surface 150 of the alternative embodiment of FIG. 5 are contoured with similar but reversed orientation from that of FIG. 5 .
  • Analogous methods of making and of using the supported face seal assembly of FIG. 5 are understood to be encompassed herein.
  • FIG. 6 is a cross-sectional side view of yet another supported face seal assembly 156 provided in accordance with further alternative aspects of the present disclosure.
  • the supported face seal assembly 156 comprises a face seal assembly 100 comprising a sealing element 108 having a canted coil spring 126 supported by a backing ring 132 , similar to the supported face seal assembly 156 of FIGS. 1 and 3-5 .
  • the concave support surface 146 of the backing ring 132 and the convex exterior surface 150 of the sealing element 108 have been modified.
  • the support surface 146 is provided with two tapered walls 180 subtended by a generally flat surface 190 therebetween to mate or match the two tapered walls 184 and flat surface 192 of the exterior surface 150 on the sealing element 108 .
  • the two flat surfaces 190 , 192 are flat relative to the centerline ⁇ . This will allow for a high degree of mechanical engagement while facilitating assembly.
  • Radiused corners 170 on an inner edge of the backing ring 132 may be provided along with tapered heels 172 of the convex surface 150 of the sealing element 108 .
  • the supported face seal assembly 156 of FIG. 6 may be reversed and configured as a supported external face seal assembly, similar to the supported face seal assembly of FIG. 2 .
  • the support surface 146 and the exterior surface 150 of the alternative embodiment of FIG. 6 are contoured with similar but reversed orientation from that of FIG. 6 .
  • FIG. 7 is a cross-sectional side view of yet another supported face seal assembly 156 provided in accordance with further alternative aspects of the present disclosure.
  • the supported face seal assembly 156 comprises a face seal assembly 100 comprising a sealing element 108 having a canted coil spring 126 supported by a backing ring 132 , similar to the supported face seal assembly 156 of FIGS. 1 and 3-5 with greater similarity to the FIG. 3 embodiment.
  • the support surface 146 on the backing ring 132 supports a similarly contoured exterior surface 150 on the sealing element 108 .
  • the backing ring 132 is provided as a two-part backing ring comprising a first backing ring part 200 and a second backing ring part 202 , which join one another along a seam 204 .
  • the seam 204 is generally zig-zag or “Z” shape.
  • the two-piece backing ring configuration facilitates assembly especially where the contoured concave and convex surfaces 146 , 150 are such that assembly may be difficult. In other words, there may be instances in which it is difficult to distort the sealing element 108 a sufficient amount to place it and the canted coil spring into the bore of the backing ring 132 .
  • the two pieces 200 , 202 can be separated and pushed together around the sealing element 108 to facilitate assembly.
  • the two backing ring pieces 200 , 202 are joined to one another by threads.
  • the first piece 200 has a threaded bore for receiving the threaded stem from the second piece 202 .
  • the supported face seal assembly 156 of FIG. 7 may be reversed and configured as a supported external face seal assembly, similar to the supported face seal assembly of FIG. 2 .
  • the support surface 146 and the exterior surface 150 of the alternative embodiment of FIG. 7 are contoured with similar but reversed orientation from that of FIG. 7 .
  • FIG. 8 is a cross-sectional side view of yet another supported face seal assembly 156 provided in accordance with further alternative aspects of the present disclosure.
  • the supported face seal assembly 156 comprises a face seal assembly 100 comprising a sealing element 108 having a canted coil spring 126 supported by a backing ring 132 , similar to the supported face seal assembly 156 of FIGS. 1 and 3-5 with greater similarity to the FIG. 4 embodiment.
  • the support surface 146 on the backing ring 132 supports a similarly contoured exterior surface 150 on the sealing element 108 , which have radiused corners 170 to fit with tapered heels 172 as previously discussed with reference to FIG. 4 .
  • the backing ring 132 is provided as a two-part backing ring comprising a first backing ring part 200 and a second backing ring part 202 , which join one another along a seam 204 .
  • the seam 204 is generally zig-zag or “Z” shape.
  • the two-piece backing ring configuration facilitates assembly especially where the contoured concave and convex surfaces 146 , 150 are such that assembly may be difficult. In other words, it may be difficult to distort the sealing element 108 a sufficient amount to place it into the bore of the backing ring 132 .
  • the two pieces 200 , 202 can be separated and pushed together around the sealing element 108 to facilitate assembly.
  • the two backing ring pieces 200 , 202 are joined to one another by threads.
  • the first piece 200 has a threaded bore for receiving the threaded stem from the second piece 202 .
  • the supported face seal assembly 156 of FIG. 8 may be reversed and configured as a supported external face seal assembly, similar to the supported face seal assembly of FIG. 2 .
  • the support surface 146 and the exterior surface 150 of the alternative embodiment of FIG. 8 are contoured with similar but reversed orientation from that of FIG. 8 .
  • FIG. 9 is a cross-sectional side view of yet another supported face seal assembly 156 provided in accordance with further alternative aspects of the present disclosure.
  • the supported face seal assembly 156 comprises a face seal assembly 100 comprising a sealing element 108 having a canted coil spring 126 supported by a backing ring 132 , similar to the supported face seal assembly 156 of FIGS. 1 and 3-5 with greater similarity to the FIG. 5 embodiment.
  • the support surface 146 on the backing ring 132 supports a similarly contoured exterior surface 150 on the sealing element 108 , which have two slanted surfaces 180 and an apex 182 to fit, mate or match the two tapered walls 184 and apex 186 of the exterior surface 150 on the sealing element 108 .
  • the backing ring 132 is provided as a two-part backing ring comprising a first backing ring part 200 and a second backing ring part 202 , which join to one another along a seam 204 .
  • the seam 204 is generally zig-zag or “Z” shape.
  • the two-piece backing ring configuration facilitates assembly especially where the contoured concave and convex surfaces 146 , 150 are such that assembly may be difficult. In other words, it may be difficult to distort the sealing element 108 a sufficient amount to place it into the bore of the backing ring 132 .
  • the two pieces 200 , 202 can be separated and pushed together around the sealing element 108 to facilitate assembly.
  • the two backing ring pieces 200 , 202 are joined to one another by threads.
  • the first piece 200 has a threaded bore for receiving the threaded stem from the second piece 202 .
  • the supported face seal assembly 156 of FIG. 9 may be reversed and configured as a supported external face seal assembly, similar to the supported face seal assembly of FIG. 2 .
  • the support surface 146 and the exterior surface 150 of the alternative embodiment of FIG. 9 are contoured with similar but reversed orientation from that of FIG. 9 .
  • FIG. 10 is a cross-sectional side view of yet another supported face seal assembly 156 provided in accordance with further alternative aspects of the present disclosure.
  • the supported face seal assembly 156 comprises a face seal assembly 100 comprising a sealing element 108 having a canted coil spring 126 supported by a backing ring 132 , similar to the supported face seal assembly 156 of FIGS. 1 and 3-5 with greater similarity to the FIG. 6 embodiment.
  • the support surface 146 on the backing ring 132 supports a similarly contoured exterior surface 150 on the sealing element 108 .
  • the present embodiment like the FIG.
  • the support surface 146 is provided with two tapered walls 180 subtended by a generally flat surface 190 therebetween to mate or match the two tapered walls 184 and flat surface 192 of the exterior surface 150 on the sealing element 108 .
  • the two flat surfaces 190 , 192 are flat relative to the centerline ⁇ .
  • the backing ring 132 is provided as a two-part backing ring comprising a first backing ring part 200 and a second backing ring part 202 , which join to one another along a seam 204 .
  • the seam 204 is generally zig-zag or “Z” shape.
  • the two-piece backing ring configuration facilitates assembly especially where the contoured concave and convex surfaces 146 , 150 are such that assembly may be difficult. In other words, it may be difficult to distort the sealing element 108 a sufficient amount to place it into the bore of the backing ring 132 .
  • the two pieces 200 , 202 can be separated and pushed together around the sealing element 108 to facilitate assembly.
  • the two backing ring pieces 200 , 202 are joined to one another by threads. As shown, the first piece 200 has a threaded bore for receiving the threaded stem from the second piece 202 .
  • the supported face seal assembly 156 of FIG. 10 may be reversed and configured as a supported external face seal assembly, similar to the supported face seal assembly of FIG. 2 .
  • the support surface 146 and the exterior surface 150 of the alternative embodiment of FIG. 10 are contoured with similar but reversed orientation from that of FIG. 10 .

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Gasket Seals (AREA)
US14/251,439 2013-04-18 2014-04-11 Interlocking face seal assemblies and related methods Active 2036-09-13 US10801622B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US14/251,439 US10801622B2 (en) 2013-04-18 2014-04-11 Interlocking face seal assemblies and related methods
EP14164927.7A EP2796753B1 (en) 2013-04-18 2014-04-16 Interlocking face seal assemblies and related methods
JP2014086697A JP6338431B2 (ja) 2013-04-18 2014-04-18 係合式の面シールアセンブリ及び、関連する方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361813494P 2013-04-18 2013-04-18
US14/251,439 US10801622B2 (en) 2013-04-18 2014-04-11 Interlocking face seal assemblies and related methods

Publications (2)

Publication Number Publication Date
US20140312570A1 US20140312570A1 (en) 2014-10-23
US10801622B2 true US10801622B2 (en) 2020-10-13

Family

ID=50479114

Family Applications (1)

Application Number Title Priority Date Filing Date
US14/251,439 Active 2036-09-13 US10801622B2 (en) 2013-04-18 2014-04-11 Interlocking face seal assemblies and related methods

Country Status (3)

Country Link
US (1) US10801622B2 (ja)
EP (1) EP2796753B1 (ja)
JP (1) JP6338431B2 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021111383A1 (de) 2021-05-03 2022-11-03 Elringklinger Ag Dichtungsanordnung
US20220349471A1 (en) * 2021-05-03 2022-11-03 SPM Oil & Gas PC LLC High-Pressure Ring Gasket for Ring Groove Interface in Flanged Components
US20230072100A1 (en) * 2021-09-08 2023-03-09 Robatech Ag Sealing Arrangement Having A Rod Seal, Output Apparatus For Discharging A Flowable Medium And Rod Seal
US20230383843A1 (en) * 2020-08-19 2023-11-30 Saint-Gobain Performance Plastics Corporation Seal stack assembly

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10520091B2 (en) 2009-07-08 2019-12-31 Bal Seal Engineering, Inc. Double direction seal with locking
US10125872B2 (en) 2011-08-18 2018-11-13 Bal Seal Engineering, Inc. Reciprocating seal for high pulsating pressure
US10598241B2 (en) 2014-02-26 2020-03-24 Bal Seal Engineering, Inc. Multi deflection canted coil springs and related methods
JP5939367B2 (ja) * 2014-05-29 2016-06-22 Nok株式会社 密封構造及び密封装置
US20160305423A1 (en) * 2015-04-15 2016-10-20 Teledyne Instruments, Inc. High pressure pump seal support
US10117366B2 (en) 2015-12-14 2018-10-30 Bal Seal Engineering, Inc. Spring energized seals and related methods
WO2017104278A1 (ja) * 2015-12-15 2017-06-22 Nok株式会社 密封装置
EP3217046B1 (en) 2016-03-07 2024-05-01 Bal Seal Engineering, LLC Seal assemblies and related methods
US10738921B2 (en) * 2016-08-25 2020-08-11 Marc Rowley Non-metallic high pressure high temperature high chemical compatibility flange isolation gasket
US10520092B2 (en) 2016-10-24 2019-12-31 Bal Seal Engineering, Inc. Seal assemblies for extreme temperatures and related methods
EP3315829B1 (en) * 2016-10-31 2020-11-25 Bal Seal Engineering, LLC Axial and radial floating seals
US11480250B2 (en) 2017-03-16 2022-10-25 Bal Seal Engineering, Llc V-springs and seals with v-springs
US10900531B2 (en) 2017-08-30 2021-01-26 Bal Seal Engineering, Llc Spring wire ends to faciliate welding
US11353079B2 (en) 2017-10-05 2022-06-07 Bal Seal Engineering, Llc Spring assemblies, applications of spring assemblies, and related methods
EP3567285A1 (en) 2018-05-08 2019-11-13 Bal Seal Engineering, Inc. Seal assemblies and related methods
US20210290562A1 (en) 2018-12-11 2021-09-23 Disruption Labs Inc. Compositions for the delivery of therapeutic agents and methods of use and making thereof
KR102168178B1 (ko) * 2020-03-04 2020-10-20 주식회사 한국슈어조인트 가스켓 및 이를 포함하는 조인트 장치
BE1028293B1 (de) * 2020-05-12 2021-12-16 Thyssenkrupp Ag Hochdruckdichtungsanordnung und Hochdruckanlage zur radialen Abdichtung eines Behälterverschlusses eines Hochdruckbehälters sowie deren Verwendung
EP4150236A1 (de) * 2020-05-12 2023-03-22 Uhde High Pressure Technologies GmbH Hochdruckdichtungsanordnung und hochdruckanlage zur radialen abdichtung eines behälterverschlusses eines hochdruckbehälters sowie deren verwendung
KR102250806B1 (ko) * 2020-06-15 2021-05-11 주식회사 한국슈어조인트 가스켓 및 이를 포함하는 조인트 장치
US12092160B2 (en) 2021-09-23 2024-09-17 Bal Seal Engineering Llc Integrated seal and bearing assembly and related methods
US11940049B1 (en) 2022-11-01 2024-03-26 Bal Seal Engineering, Llc Lip seals and related methods
US11746906B1 (en) 2022-11-01 2023-09-05 Bal Seal Engineering, Llc Lip seals and related methods

Citations (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE408271A (ja)
US2330197A (en) * 1939-08-31 1943-09-28 All Flex Corp Flexible pipe joint
US2334349A (en) * 1941-10-29 1943-11-16 Victor Mfg & Gasket Co Oil seal construction
US2345515A (en) * 1941-03-08 1944-03-28 Vickers Inc Power transmission
US2366161A (en) * 1941-03-08 1945-01-02 Vickers Inc Power transmission
US2815973A (en) * 1955-07-05 1957-12-10 Chicksan Company Dynamic seal
US3114561A (en) * 1959-10-13 1963-12-17 Creath Composite seal with resilient expansion member
US3218087A (en) 1962-07-09 1965-11-16 Boeing Co Foot seal
US3302953A (en) * 1963-02-25 1967-02-07 Clarence O Glasgow Gasket ring and conduit coupling
US3357693A (en) * 1963-05-28 1967-12-12 Fmc Corp Energizer for fluid seal
US3647227A (en) 1970-05-15 1972-03-07 Gits Bros Mfg Co Twin take-apart high-temperature shaft seal
GB1287501A (en) * 1969-10-17 1972-08-31 France Etat Improvements in or relating to static packing arrangements
US3698728A (en) * 1971-01-07 1972-10-17 Mc Donnell Douglas Corp Fluid sealing device
US3715134A (en) * 1971-06-25 1973-02-06 Fmc Corp Pipe swivel joint with a cartridge-type packing unit
US3720420A (en) * 1971-03-19 1973-03-13 Parker Hannifin Corp Gasket
US3871668A (en) * 1972-08-04 1975-03-18 John Norman Coker Vacuum seals
US3970321A (en) * 1973-12-19 1976-07-20 Jacques Dechavanne Dynamic-static shaft seal
US4053163A (en) * 1974-12-26 1977-10-11 George Vegella Seal construction
US4133542A (en) * 1976-08-31 1979-01-09 Robert Janian Spring seal
DE2759141A1 (de) 1977-12-31 1979-07-12 Servotron Tabert Kg Integraldichtung
US4204716A (en) * 1978-05-30 1980-05-27 J. I. Case Company Track joint with a thrust ring and a seal ring
US4268045A (en) * 1979-04-23 1981-05-19 W. S. Shamban & Co. Seal assembly
US4346647A (en) * 1981-02-20 1982-08-31 Weaver Manufacturing Company Piston construction for reciprocating pumps
US4570944A (en) * 1985-05-15 1986-02-18 W. S. Shamban & Company Seal assembly with reduced wear low pressure sealing ring
US4576386A (en) * 1985-01-16 1986-03-18 W. S. Shamban & Company Anti-extrusion back-up ring assembly
US4592558A (en) 1984-10-17 1986-06-03 Hydril Company Spring ring and hat ring seal
US4618154A (en) * 1985-07-31 1986-10-21 Freudenthal Merton L Annular lip type sealing ring with pre-loaded lip portions
US4635945A (en) * 1986-03-21 1987-01-13 Microdot Inc. Anti-extrusion seal with primary and secondary complementary elements
US4655462A (en) 1985-01-07 1987-04-07 Peter J. Balsells Canted coiled spring and seal
US4658847A (en) * 1985-07-09 1987-04-21 The Fluorocarbon Company Bimetallic C-ring seal
US4730835A (en) * 1986-09-29 1988-03-15 Baker Oil Tools, Inc. Anti-extrusion seal element
US5171025A (en) * 1990-08-31 1992-12-15 Festo Kg Sealing arrangement for a valve and more particularly one in the form of a multi-way valve
US5211226A (en) * 1992-04-24 1993-05-18 Otis Engineering Corporation Metal-to-metal seal for oil well tubing string
US5306021A (en) * 1986-02-25 1994-04-26 Morvant John D V-shaped seal with anti-extrusion section
JPH0710683U (ja) 1993-07-20 1995-02-14 バブコック日立株式会社 二重シール構造
JPH0725311U (ja) 1993-10-20 1995-05-12 キーパー株式会社 燃料タンク用バルブ
US5480163A (en) * 1993-08-05 1996-01-02 Utex Industries, Inc. Lip seal with reinforced backup
US5518257A (en) * 1993-08-23 1996-05-21 Corrosion Control Corp. Seal device for flow line applications
US5551703A (en) * 1986-02-25 1996-09-03 Morvant; John D. Pack off seal
US5630591A (en) * 1993-04-05 1997-05-20 Single Buoy Moorings Inc. Sealing element
US5700013A (en) 1997-01-22 1997-12-23 John Crane Inc. Secondary seal with mechanical gas seal
US5799953A (en) * 1995-05-25 1998-09-01 American Variseal Capped spring-energized seal
JP3052890U (ja) 1998-04-03 1998-10-09 株式会社日本ピスコ シール用リング
US5879010A (en) * 1997-07-22 1999-03-09 Green Tweed Of Delaware, Inc. Seal assembly with mechanically joined anti-extrusion rings
US5979904A (en) * 1997-12-12 1999-11-09 Bal Seal Engineering Company, Inc. Rotary reciprocating seals with exterior metal band
US6386545B1 (en) * 1999-05-17 2002-05-14 Robert W. Evans Fluid plug
US20020153664A1 (en) 2001-03-28 2002-10-24 Schroeder John W. Media isolation seal system
US20040160018A1 (en) * 2003-02-14 2004-08-19 Dupont Paul Robert Gasket for sanitary fittings
JP2005083414A (ja) 2003-09-05 2005-03-31 Yamamoto Suiatsu Kogyosho:Kk シールリング
US20050093246A1 (en) 2003-11-05 2005-05-05 Dietle Lannie L. Rotary shaft sealing assembly
US6962347B2 (en) * 2002-10-31 2005-11-08 National Coupling Company, Inc. Metal backup seal for undersea hydraulic coupling
US20060066058A1 (en) 2004-09-24 2006-03-30 Greene, Tweed Of Delaware, Inc. Cammed seal assembly with elastomeric energizer element
US20070040335A1 (en) * 2005-08-22 2007-02-22 General Electric Company Axially adjustable sealing ring
US20070045967A1 (en) * 2005-08-31 2007-03-01 Freudenberg-Nok General Partnership Assemblies sealed with multilayer composite torsion seals having a layer of dispersed fluoroelastomer in thermoplastic
US20080136112A1 (en) * 2006-12-08 2008-06-12 United Technologies Corporation Brush seal assemblies utilizing a threaded fastening method
US20080197578A1 (en) * 2007-02-21 2008-08-21 Ti Group Automotive Systems, Llc Multi-piece seal
US20090146379A1 (en) * 2007-12-07 2009-06-11 Mike Foster Seal assembly for high pressure dynamic and static services
US7562878B2 (en) * 2005-03-22 2009-07-21 Kalsi Engineering, Inc. Low torque hydrodynamic lip geometry for bi-directional rotation seals
US7604243B2 (en) * 2006-03-14 2009-10-20 Macrotech Polyseal, Inc. Composite seals, seal structures and related methods
US7637508B2 (en) * 2004-03-19 2009-12-29 Interpump Engineering S.R.L. High temperature high pressure seal stack having run-dry capability
US20100013220A1 (en) * 2008-07-16 2010-01-21 General Electric Company Extrusion resistant gasket face seal
US20100084824A1 (en) 2006-09-04 2010-04-08 Kazuyoshi Horiba Oil seal for reciprocation motion
US20100090460A1 (en) * 2006-10-31 2010-04-15 Saint-Gobain Pam Tubular joint
JP2011179629A (ja) 2010-03-03 2011-09-15 Mitsubishi Cable Ind Ltd Ｕシールへのバネ装着方法
US8312805B1 (en) * 2004-05-04 2012-11-20 Novatech Holdings Corp. High pressure pump piston
US20130161553A1 (en) * 2011-12-21 2013-06-27 Vetco Gray Inc. Valve vented redundant stem seal system
US9016693B1 (en) * 2012-01-25 2015-04-28 FAST Group-Houston Inc. Packing seal for reciprocating pump
US9109703B2 (en) * 2010-02-11 2015-08-18 Kalsi Engineering, Inc. Hydrodynamic backup ring
US9267606B2 (en) * 2011-11-01 2016-02-23 Terje Haland As Seal arrangement for valve
US9273695B2 (en) * 2010-09-22 2016-03-01 Siemens Aktiengesellschaft Arrangement having a seal, seal, and turbocompressor

Patent Citations (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE408271A (ja)
US2330197A (en) * 1939-08-31 1943-09-28 All Flex Corp Flexible pipe joint
US2345515A (en) * 1941-03-08 1944-03-28 Vickers Inc Power transmission
US2366161A (en) * 1941-03-08 1945-01-02 Vickers Inc Power transmission
US2334349A (en) * 1941-10-29 1943-11-16 Victor Mfg & Gasket Co Oil seal construction
US2815973A (en) * 1955-07-05 1957-12-10 Chicksan Company Dynamic seal
US3114561A (en) * 1959-10-13 1963-12-17 Creath Composite seal with resilient expansion member
US3218087A (en) 1962-07-09 1965-11-16 Boeing Co Foot seal
US3302953A (en) * 1963-02-25 1967-02-07 Clarence O Glasgow Gasket ring and conduit coupling
US3357693A (en) * 1963-05-28 1967-12-12 Fmc Corp Energizer for fluid seal
GB1287501A (en) * 1969-10-17 1972-08-31 France Etat Improvements in or relating to static packing arrangements
US3647227A (en) 1970-05-15 1972-03-07 Gits Bros Mfg Co Twin take-apart high-temperature shaft seal
US3698728A (en) * 1971-01-07 1972-10-17 Mc Donnell Douglas Corp Fluid sealing device
US3720420A (en) * 1971-03-19 1973-03-13 Parker Hannifin Corp Gasket
US3715134A (en) * 1971-06-25 1973-02-06 Fmc Corp Pipe swivel joint with a cartridge-type packing unit
US3871668A (en) * 1972-08-04 1975-03-18 John Norman Coker Vacuum seals
US3970321A (en) * 1973-12-19 1976-07-20 Jacques Dechavanne Dynamic-static shaft seal
US4053163A (en) * 1974-12-26 1977-10-11 George Vegella Seal construction
US4133542A (en) * 1976-08-31 1979-01-09 Robert Janian Spring seal
DE2759141A1 (de) 1977-12-31 1979-07-12 Servotron Tabert Kg Integraldichtung
US4204716A (en) * 1978-05-30 1980-05-27 J. I. Case Company Track joint with a thrust ring and a seal ring
US4268045A (en) * 1979-04-23 1981-05-19 W. S. Shamban & Co. Seal assembly
US4346647A (en) * 1981-02-20 1982-08-31 Weaver Manufacturing Company Piston construction for reciprocating pumps
US4592558A (en) 1984-10-17 1986-06-03 Hydril Company Spring ring and hat ring seal
US4655462A (en) 1985-01-07 1987-04-07 Peter J. Balsells Canted coiled spring and seal
US4576386A (en) * 1985-01-16 1986-03-18 W. S. Shamban & Company Anti-extrusion back-up ring assembly
US4570944A (en) * 1985-05-15 1986-02-18 W. S. Shamban & Company Seal assembly with reduced wear low pressure sealing ring
US4658847A (en) * 1985-07-09 1987-04-21 The Fluorocarbon Company Bimetallic C-ring seal
US4618154A (en) * 1985-07-31 1986-10-21 Freudenthal Merton L Annular lip type sealing ring with pre-loaded lip portions
US5306021A (en) * 1986-02-25 1994-04-26 Morvant John D V-shaped seal with anti-extrusion section
US5551703A (en) * 1986-02-25 1996-09-03 Morvant; John D. Pack off seal
US4635945A (en) * 1986-03-21 1987-01-13 Microdot Inc. Anti-extrusion seal with primary and secondary complementary elements
US4730835A (en) * 1986-09-29 1988-03-15 Baker Oil Tools, Inc. Anti-extrusion seal element
US5171025A (en) * 1990-08-31 1992-12-15 Festo Kg Sealing arrangement for a valve and more particularly one in the form of a multi-way valve
US5211226A (en) * 1992-04-24 1993-05-18 Otis Engineering Corporation Metal-to-metal seal for oil well tubing string
US5630591A (en) * 1993-04-05 1997-05-20 Single Buoy Moorings Inc. Sealing element
JPH0710683U (ja) 1993-07-20 1995-02-14 バブコック日立株式会社 二重シール構造
US5480163A (en) * 1993-08-05 1996-01-02 Utex Industries, Inc. Lip seal with reinforced backup
US5518257A (en) * 1993-08-23 1996-05-21 Corrosion Control Corp. Seal device for flow line applications
JPH0725311U (ja) 1993-10-20 1995-05-12 キーパー株式会社 燃料タンク用バルブ
US5799953A (en) * 1995-05-25 1998-09-01 American Variseal Capped spring-energized seal
US5700013A (en) 1997-01-22 1997-12-23 John Crane Inc. Secondary seal with mechanical gas seal
US5879010A (en) * 1997-07-22 1999-03-09 Green Tweed Of Delaware, Inc. Seal assembly with mechanically joined anti-extrusion rings
US5979904A (en) * 1997-12-12 1999-11-09 Bal Seal Engineering Company, Inc. Rotary reciprocating seals with exterior metal band
JP3052890U (ja) 1998-04-03 1998-10-09 株式会社日本ピスコ シール用リング
US6386545B1 (en) * 1999-05-17 2002-05-14 Robert W. Evans Fluid plug
US20020153664A1 (en) 2001-03-28 2002-10-24 Schroeder John W. Media isolation seal system
US6962347B2 (en) * 2002-10-31 2005-11-08 National Coupling Company, Inc. Metal backup seal for undersea hydraulic coupling
US20040160018A1 (en) * 2003-02-14 2004-08-19 Dupont Paul Robert Gasket for sanitary fittings
JP2005083414A (ja) 2003-09-05 2005-03-31 Yamamoto Suiatsu Kogyosho:Kk シールリング
US20050093246A1 (en) 2003-11-05 2005-05-05 Dietle Lannie L. Rotary shaft sealing assembly
US7637508B2 (en) * 2004-03-19 2009-12-29 Interpump Engineering S.R.L. High temperature high pressure seal stack having run-dry capability
US8312805B1 (en) * 2004-05-04 2012-11-20 Novatech Holdings Corp. High pressure pump piston
US20060066058A1 (en) 2004-09-24 2006-03-30 Greene, Tweed Of Delaware, Inc. Cammed seal assembly with elastomeric energizer element
US7562878B2 (en) * 2005-03-22 2009-07-21 Kalsi Engineering, Inc. Low torque hydrodynamic lip geometry for bi-directional rotation seals
US20070040335A1 (en) * 2005-08-22 2007-02-22 General Electric Company Axially adjustable sealing ring
US20070045967A1 (en) * 2005-08-31 2007-03-01 Freudenberg-Nok General Partnership Assemblies sealed with multilayer composite torsion seals having a layer of dispersed fluoroelastomer in thermoplastic
US7604243B2 (en) * 2006-03-14 2009-10-20 Macrotech Polyseal, Inc. Composite seals, seal structures and related methods
US20100084824A1 (en) 2006-09-04 2010-04-08 Kazuyoshi Horiba Oil seal for reciprocation motion
US20100090460A1 (en) * 2006-10-31 2010-04-15 Saint-Gobain Pam Tubular joint
US20080136112A1 (en) * 2006-12-08 2008-06-12 United Technologies Corporation Brush seal assemblies utilizing a threaded fastening method
US20080197578A1 (en) * 2007-02-21 2008-08-21 Ti Group Automotive Systems, Llc Multi-piece seal
US20090146379A1 (en) * 2007-12-07 2009-06-11 Mike Foster Seal assembly for high pressure dynamic and static services
US20100013220A1 (en) * 2008-07-16 2010-01-21 General Electric Company Extrusion resistant gasket face seal
US9109703B2 (en) * 2010-02-11 2015-08-18 Kalsi Engineering, Inc. Hydrodynamic backup ring
JP2011179629A (ja) 2010-03-03 2011-09-15 Mitsubishi Cable Ind Ltd Ｕシールへのバネ装着方法
US9273695B2 (en) * 2010-09-22 2016-03-01 Siemens Aktiengesellschaft Arrangement having a seal, seal, and turbocompressor
US9267606B2 (en) * 2011-11-01 2016-02-23 Terje Haland As Seal arrangement for valve
US20130161553A1 (en) * 2011-12-21 2013-06-27 Vetco Gray Inc. Valve vented redundant stem seal system
US9016693B1 (en) * 2012-01-25 2015-04-28 FAST Group-Houston Inc. Packing seal for reciprocating pump

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Final Office Action on related U.S. Appl. No. (13/586,773) dated Sep. 22, 2017.
Office Action on corresponding foreign application (JP Application No. 2014-086697) from the Japanese Patent Office dated Sep. 19, 2017.

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230383843A1 (en) * 2020-08-19 2023-11-30 Saint-Gobain Performance Plastics Corporation Seal stack assembly
US12066107B2 (en) * 2020-08-19 2024-08-20 Saint-Gobain Performance Plastics Corporation Seal stack assembly
DE102021111383A1 (de) 2021-05-03 2022-11-03 Elringklinger Ag Dichtungsanordnung
US20220349471A1 (en) * 2021-05-03 2022-11-03 SPM Oil & Gas PC LLC High-Pressure Ring Gasket for Ring Groove Interface in Flanged Components
US20230072100A1 (en) * 2021-09-08 2023-03-09 Robatech Ag Sealing Arrangement Having A Rod Seal, Output Apparatus For Discharging A Flowable Medium And Rod Seal

Also Published As

Publication number Publication date
JP6338431B2 (ja) 2018-06-06
US20140312570A1 (en) 2014-10-23
EP2796753B1 (en) 2016-12-14
EP2796753A1 (en) 2014-10-29
JP2014211233A (ja) 2014-11-13

Similar Documents

Publication Publication Date Title
US10801622B2 (en) Interlocking face seal assemblies and related methods
EP3312482B1 (en) Seal assemblies for extreme temperatures and related methods
CN108603597A (zh) 密封垫
EP3517807B1 (en) Single seal ring stuffing box
US10077843B2 (en) Division type mechanical seal
US20190170277A1 (en) Fitting for Producing a Leaktight Connection Comprising a Retaining Element with Contact Surfaces
US20110285095A1 (en) Fluid pressure apparatus
JP7052089B2 (ja) 密封装置及び密封構造
US10202861B2 (en) Sealing arrangement for sealing a gap between two components which bear flat against one another on the gap side at room temperature
US9464535B2 (en) Stationary part sealing structure
US20160153564A1 (en) Hermetic seal device
US20210364089A1 (en) Seal assemblies and related methods
JP6890005B2 (ja) メンブレンベローズ
KR20150091991A (ko) 오일 실
KR101471772B1 (ko) 진공 배관 접속용 본디드 플랜지 오링
US20060290068A1 (en) Radially assembled seal
JP2011112202A (ja) ピストンリング
US20120068417A1 (en) Seal And Procedure For Its Production
TWI656289B (zh) 密封構造及其製造方法
CN113874640B (zh) 密封装置
KR101372330B1 (ko) 스파이럴 와운드 가스켓의 제조방법
KR101537711B1 (ko) 컨베이어용 롤러 및 그 제조방법
CN209762229U (zh) 一种密封性能稳定的带内外环的石墨缠绕式垫片
WO2024018751A1 (ja) 密封構造
JP2016029301A (ja) ガスケット

Legal Events

Date Code Title Description
AS Assignment

Owner name: BAL SEAL ENGINEERING, INC., CALIFORNIA

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:FOSTER, MIKE;REEL/FRAME:033001/0199

Effective date: 20140429

STCV Information on status: appeal procedure

Free format text: ON APPEAL -- AWAITING DECISION BY THE BOARD OF APPEALS

STCV Information on status: appeal procedure

Free format text: BOARD OF APPEALS DECISION RENDERED

AS Assignment

Owner name: BAL SEAL ENGINEERING, LLC, CALIFORNIA

Free format text: CHANGE OF NAME;ASSIGNOR:BAL SEAL ENGINEERING, INC.;REEL/FRAME:052410/0399

Effective date: 20191231

STPP Information on status: patent application and granting procedure in general

Free format text: NOTICE OF ALLOWANCE MAILED -- APPLICATION RECEIVED IN OFFICE OF PUBLICATIONS

STPP Information on status: patent application and granting procedure in general

Free format text: PUBLICATIONS -- ISSUE FEE PAYMENT VERIFIED

AS Assignment

Owner name: JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT, ILLINOIS

Free format text: AMENDED AND RESTATED PATENT COLLATERAL SECURITY AND PLEDGE AGREEMENT;ASSIGNORS:KAMATICS CORPORATION;BAL SEAL ENGINEERING, LLC;REEL/FRAME:054304/0388

Effective date: 20200915

STCF Information on status: patent grant

Free format text: PATENTED CASE

MAFP Maintenance fee payment

Free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

Year of fee payment: 4

AS Assignment

Owner name: MORGAN STANLEY SENIOR FUNDING, INC., AS COLLATERAL AGENT, NEW YORK

Free format text: IP SECURITY AGREEMENT;ASSIGNORS:KAMAN CORPORATION;KAMAN AEROSPACE CORPORATION;BAL SEAL ENGINEERING, LLC;AND OTHERS;REEL/FRAME:067175/0740

Effective date: 20240419

AS Assignment

Owner name: AIRCRAFT WHEEL AND BRAKE, LLC, OHIO

Free format text: RELEASE BY SECURED PARTY;ASSIGNOR:JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT;REEL/FRAME:067200/0800

Effective date: 20240419

Owner name: BAL SEAL ENGINEERING, LLC, CALIFORNIA

Free format text: RELEASE BY SECURED PARTY;ASSIGNOR:JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT;REEL/FRAME:067200/0800

Effective date: 20240419

Owner name: KAMATICS CORPORATION, CONNECTICUT

Free format text: RELEASE BY SECURED PARTY;ASSIGNOR:JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT;REEL/FRAME:067200/0800

Effective date: 20240419